43.30(2)(c)(c) The library agrees not to disclose the identity of the individual except as authorized under sub. (3). 43.30(3)(3) A library to which an individual’s identity is disclosed under sub. (2) and that is not supported in whole or in part by public funds may disclose that individual’s identity to another library for the purpose of borrowing materials for that individual only if the library to which the identity is being disclosed meets at least one of the requirements specified under sub. (2) (a) to (c). 43.30(4)(4) Upon the request of a custodial parent or guardian of a child who is under the age of 16, a library supported in whole or part by public funds shall disclose to the custodial parent or guardian all library records relating to the use of the library’s documents or other materials, resources, or services by that child. 43.30(5)(a)(a) Upon the request of a law enforcement officer who is investigating criminal conduct alleged to have occurred at a library supported in whole or in part by public funds, the library shall disclose to the law enforcement officer all records pertinent to the alleged criminal conduct that were produced by a surveillance device under the control of the library. 43.30(5)(b)(b) If a library requests the assistance of a law enforcement officer, and the director of the library determines that records produced by a surveillance device under the control of the library may assist the law enforcement officer to render the requested assistance, the library may disclose the records to the law enforcement officer. 43.30(6)(a)(a) Subject to par. (b) and notwithstanding sub. (1m), a library that is supported in whole or in part by public funds may report the following information as provided in par. (c): 43.30(6)(a)1.1. Information about delinquent accounts of any individual who borrows or uses the library’s documents or other materials, resources, or services. 43.30(6)(a)2.2. The number and type of documents or materials that are overdue for each individual about whom information is submitted under subd. 1. 43.30(6)(b)(b) If a public library discloses information as described in par. (a), the information shall be limited to the individual’s name, contact information, and the amount owed to the library. 43.30(6)(c)(c) A library may report the information as described in par. (a) to any of the following: 43.30(6)(c)2.2. A law enforcement agency, but only if the dollar value of the individual’s delinquent account is at least $50. 43.5243.52 Municipal libraries. 43.52(1)(1) Any municipality may establish, equip and maintain a public library, and may annually levy a tax or appropriate money to provide a library fund, to be used exclusively to maintain the public library. The municipality may enact and enforce police regulations to govern the use, management and preservation of the public library. Any municipality desiring to establish a new public library shall obtain a written opinion by the division regarding the feasibility and desirability of establishing the public library before final action is taken. The division shall render its opinion within 30 days of the time the request is received. 43.52(1m)(a)(a) Any town desiring to establish a new public library or participate in a joint library under s. 43.53 shall in addition to the requirement under sub. (1) obtain the approval of the county library board, if one exists, and the county board of supervisors before final action is taken. The county library board and the county board of supervisors shall render decisions within 90 days of the request being received. A town may appeal to the state superintendent a decision of the county library board or the county board of supervisors that disapproves the participation by the town in a joint library with a municipality located in another county. The state superintendent shall hold a public hearing on the appeal within 60 days after receiving notice of the appeal. The state superintendent shall publish a class 1 notice under ch. 985 of the hearing and shall also provide notice of the hearing to the town board, the county board of supervisors and the county library board. The state superintendent shall decide the appeal within 30 days after the adjournment of the public hearing. 43.52(1m)(b)(b) Any city or village that is entirely located in a county that operates and maintains a consolidated public library for the county under s. 43.57, and that desires to establish a new public library or participate in a joint library under s. 43.53, shall, in addition to the requirement under sub. (1), obtain the approval of the county library board, if one exists, and the county board of supervisors before final action is taken. The county library board and the county board of supervisors shall render decisions within 90 days of the request being received. The common council or village board may appeal to the state superintendent a decision of the county library board or the county board of supervisors that disapproves the participation by the city or village in a joint library with a municipality located in another county. The state superintendent shall hold a public hearing on the appeal within 60 days after receiving notice of the appeal. The state superintendent shall publish a class 1 notice under ch. 985 of the hearing and shall also provide notice of the hearing to the common council or village board, the county board of supervisors, and the county library board. The state superintendent shall decide the appeal within 30 days after the adjournment of the public hearing. 43.52(2)(2) Every public library shall be free for the use of the inhabitants of the municipality by which it is established and maintained, subject to such reasonable regulations as the library board prescribes in order to render its use most beneficial to the greatest number. The library board may exclude from the use of the public library all persons who willfully violate such regulations. 43.52(3)(3) Any municipality may purchase or acquire one or more sites, erect one or more buildings and equip the same for a public library or any library already established; or may adopt, take over and acquire any library already established, by consent of the authorities controlling the same. 43.52(4)(4) A municipal library may contract with library organizations within this state or in adjacent states to provide or receive library services. 43.52 AnnotationA library can charge user fees for any services that fall outside of a library’s inherent information-providing functions; core “library services” must be provided free of charge to the inhabitants of the municipality. 73 Atty. Gen. 86. 43.52 AnnotationMunicipal libraries may not charge a fee for lending video cassettes that are part of a reasonable permanent collection, but may charge for lending additional copies. Municipal libraries may not charge a fee for online searching of bibliographic or informational databases. 78 Atty. Gen. 163. 43.5343.53 Joint libraries. 43.53(1)(1) Joint libraries may be created by any 2 or more municipalities or by a county and one or more municipalities located in whole or in part in the county, by appropriate agreement of their governing bodies. Section 43.52 applies to joint libraries. 43.53(2)(2) Joint library agreements under sub. (1) shall contain provisions necessary to establish a library board under s. 43.54, including a procedure for adjusting the membership of the board to ensure that it remains representative of the populations of the participating municipalities, as shown by the most recent federal census, under s. 43.54 (1m) (a) 1.; perform the duties under s. 43.58; and own and operate the physical facilities. A joint library agreement shall also do all of the following: